While brick walls tend to get dirty pretty fast, it is fortunately an easy task to clean the brickwork. And best of all, you don’t need any expensive fancy brick cleaners to do it, despite what many people believe.
First, mix a solution of hot water and all purpose cleaner. Then clean the wall using a hard bristle brush. If it is outside, you can rinse with water.
If the mortar work is dirty as well, when you finish with the brickwork, add bleach to the solution, then clean the mortar.